/Engine/Source/Runtime/SlateCore/Public/Debugging/SlateDebugging.h
FSlateDebuggingFocusEventArgs ( ESlateDebuggingFocusEvent InFocusEventType, const [FFocusEvent](API\Runtime\SlateCore\Input\FFocusEvent) & InFocusEvent, const [FWeakWidgetPath](API\Runtime\SlateCore\Layout\FWeakWidgetPath) & InOldFocusedWidgetPath, const [TSharedPtr](API\Runtime\Core\Templates\TSharedPtr)< [SWidget](API\Runtime\SlateCore\Widgets\SWidget) > & InOldFocusedWidget, const [FWidgetPath](API\Runtime\SlateCore\Layout\FWidgetPath) & InNewFocusedWidgetPath, const [TSharedPtr](API\Runtime\Core\Templates\TSharedPtr)< [SWidget](API\Runtime\SlateCore\Widgets\SWidget) > & InNewFocusedWidget )